(Reuters) - Houston quarterback Matt Schaub passed for 527 yards, equaling the second-highest single-game total in National Football League history, as the Texans fought their way back from the brink of defeat on Sunday. Aaron Rodgers and Matt Ryan also got it right when they really needed to as the Green Bay Packers and Atlanta Falcons both fought their way back to register comeback wins and stay on track for the playoffs. The Packers (7-3), Super Bowl champions two seasons ago, came from behind to beat their NFC North division rivals, the Detroit Lions (4-6), 24-20. ...